[Bug 110343] New: [CI][SHARDS] igt at gem_flink_race@flink_close - dmesg-warn - DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110343

            Bug ID: 110343
           Summary: [CI][SHARDS] igt at gem_flink_race@flink_close -
                    dmesg-warn -
                    DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5875/shard-iclb6/igt@gem_flink_race@flink_close.html

<6> [2420.394363] Console: switching to colour dummy device 80x25
<6> [2420.394412] [IGT] gem_flink_race: executing
<6> [2420.399327] [IGT] gem_flink_race: starting subtest flink_close
<4> [2425.300723] ------------[ cut here ]------------
<4> [2425.300734] DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
<4> [2425.300742] WARNING: CPU: 5 PID: 7676 at kernel/locking/mutex-debug.c:103
mutex_destroy+0x49/0x50
<4> [2425.300759] Modules linked in: i2c_dev vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal i915 coretemp
mei_hdcp crct10dif_pclmul crc32_pclmul snd_hda_intel snd_hda_codec cdc_ether
snd_hwdep ghash_clmulni_intel usbnet snd_hda_core mii e1000e i2c_i801 snd_pcm
ptp pps_core mei_me mei prime_numbers
<4> [2425.300803] CPU: 5 PID: 7676 Comm: kworker/u16:41 Tainted: G     U       
    5.1.0-rc3-CI-CI_DRM_5875+ #1
<4> [2425.300815] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS
ICLSFWR1.R00.3087.A00.1902250334 02/25/2019
<4> [2425.300880] Workqueue: i915 __i915_gem_free_work [i915]
<4> [2425.300889] RIP: 0010:mutex_destroy+0x49/0x50
<4> [2425.300896] Code: 00 00 5b c3 e8 48 26 3b 00 85 c0 74 ed 8b 05 a2 5c 23
01 85 c0 75 e3 48 c7 c6 60 01 08 82 48 c7 c7 18 df 06 82 e8 d7 17 fa ff <0f> 0b
eb cc 0f 1f 00 48 b8 11 11 11 11 11 11 11 11 48 89 76 20 48
<4> [2425.300916] RSP: 0018:ffffc90000adbdd8 EFLAGS: 00010282
<4> [2425.300924] RAX: 0000000000000000 RBX: ffff88831a25bf10 RCX:
0000000000000000
<4> [2425.300933] RDX: 0000000000000002 RSI: 0000000000000001 RDI:
ffffffff81126564
<4> [2425.300941] RBP: ffff8884936b9208 R08: 0000000000000000 R09:
0000000000000000
<4> [2425.300950] R10: 0000000000000000 R11: 0000000000001dfc R12:
ffff8884936b0000
<4> [2425.300958] R13: ffff8884936b0068 R14: ffffffff8233ebf0 R15:
0000000000000000
<4> [2425.300967] FS:  0000000000000000(0000) GS:ffff88849ff40000(0000)
knlGS:0000000000000000
<4> [2425.300977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [2425.300985] CR2: 00007fb44af089a8 CR3: 000000040cf06001 CR4:
0000000000760ee0
<4> [2425.300993] PKRU: 55555554
<4> [2425.300997] Call Trace:
<4> [2425.301045]  __i915_gem_free_objects+0x39e/0x720 [i915]
<4> [2425.301092]  __i915_gem_free_work+0x5a/0x90 [i915]
<4> [2425.301101]  process_one_work+0x245/0x610
<4> [2425.301109]  worker_thread+0x37/0x380
<4> [2425.301117]  ? process_one_work+0x610/0x610
<4> [2425.301124]  kthread+0x119/0x130
<4> [2425.301130]  ? kthread_park+0x80/0x80
<4> [2425.301139]  ret_from_fork+0x24/0x50
<4> [2425.301148] irq event stamp: 1855377
<4> [2425.301155] hardirqs last  enabled at (1855377): [<ffffffff8122ea58>]
__slab_free+0x3e8/0x4f0
<4> [2425.301166] hardirqs last disabled at (1855376): [<ffffffff8122e7a9>]
__slab_free+0x139/0x4f0
<4> [2425.301178] softirqs last  enabled at (1849702): [<ffffffff81c0033a>]
__do_softirq+0x33a/0x4b9
<4> [2425.301190] softirqs last disabled at (1849695): [<ffffffff810b5159>]
irq_exit+0xa9/0xc0
<4> [2425.301201] WARNING: CPU: 5 PID: 7676 at kernel/locking/mutex-debug.c:103
mutex_destroy+0x49/0x50
<4> [2425.301211] ---[ end trace cfc39dc2547ed83f ]---
<6> [2425.593015] [IGT] gem_flink_race: exiting, ret=0
<5> [2425.593215] Setting dangerous option reset - tainting kernel
<6> [2425.630793] Console: switching to colour frame buffer device 240x67

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